Discovering Computers ©2018: Digital Technology, Data, and Devices
1st Edition
ISBN: 9781337285100
Author: Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Jennifer T. Campbell, Mark Frydenberg
Publisher: Cengage Learning
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Chapter 4, Problem 25CT
Explanation of Solution
Spam:
- Most e-mail users receive “unwanted email” advertising called spam. This e-mail spam is also called as Unsolicited Bulk Email (UBE) or Unsolicited Commercial Email (UCE) or junk mail.
- Generally, spam contains commercial content. Some spam may contain malware and spyware.
Reasons behind Spams being dangerous:
Spams are dangerous because, the spam messages might contain:
Spyware:
- It is a
program that is placed on a computer or a mobile device without the knowledge if the user. - It collects data about the user secretly which is then communicated with the outside source while the user in online.
- Example: Employers uses spyware to get information about the employees...
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Write a C program that finds and prints the machine epsilon for the float and double data types. Also print the values of __FLT_EPSILON__ and __DBL_EPSILON__ defined in float.h. Reminder – the phrase data type tells how the compiler “understands” the ones and zeros you are working with. This identifies whether you are working with integers, letters, real numbers, and so on.
Another definition:Machine epsilon is the "distance" between the number 1 and its immediate right neighbor.
We work in binary (decimal is in parentheses):
1 + 0,1 = 1,1 (1 + 1/2 = 1,5)
1 + 0,01 = 1,01 (1 + 1/4 = 1,25)
1 + 0,001 = 1,001 (1 + 1/8 = 1,125)
then, due to the limited accuracy of the computer at a certain number of decimal places, a situation arises where 1 + 0.0…001 = 1 (instead of the correct 1.0…001). Then the previous number 0.0…01 is called the machine epsilon . It is obvious that its value may be different on different computers. However, the machine…
Write a program that performs a rotational bit shift to the right for a positive integer. The user enters a number, the number of bits to shift (and, if you want, the direction of the shift, but right is enough).
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I need help resolving the following case problem
Chapter 4 Solutions
Discovering Computers ©2018: Digital Technology, Data, and Devices
Ch. 4 - Prob. 1SGCh. 4 - Prob. 2SGCh. 4 - Prob. 3SGCh. 4 - Prob. 4SGCh. 4 - _____ software performs functions specific to a...Ch. 4 - Prob. 6SGCh. 4 - List any restrictions for shareware, freeware,...Ch. 4 - Prob. 8SGCh. 4 - Prob. 9SGCh. 4 - Prob. 10SG
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